Watch casing



FIG. 1 is a plan view of a watch casing showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view thereof being symmetrical thereto;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a perspective view thereof, illustrated with a watch band attached thereto, and the watch hands and time indicia are not illustrated in this view for ease of illustration.

The bottom of the watch is plain and unornamented.

The broken lines in the figures are for illustrative purposes only and are not part of the claimed design. 

The ornamental design for a watch casing, as shown and described. 